
load data.txt;% Subperiods in CGG
% Pre-Volcker:       1960:1 to 1979:2, obs  1 -  78
% Volcker-Greenspan: 1979:3 to 1997:4, obs 79 - 152
% post-82:           1982:4 to 1997:4, obs 92 - 152
% post-84:           1985:1 to 1997:4  obs 101 -152   

   
ym  = data(1:78,1);
paim  = data(1:78,2);
rm  = data(1:78,3);
